updateSize when create a repo with init commit (#13441)

Signed-off-by: a1012112796 <1012112796@qq.com>

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

models/repo.go

@@ -1501,6 +1501,10 @@ func updateRepository(e Engine, repo *Repository, visibilityChanged bool) (err e
 		return fmt.Errorf("update: %v", err)
 	}
 
+	if err = repo.updateSize(e); err != nil {
+		log.Error("Failed to update size for repository: %v", err)
+	}
+
 	if visibilityChanged {
 		if err = repo.getOwner(e); err != nil {
 			return fmt.Errorf("getOwner: %v", err)
@@ -1546,10 +1550,6 @@ func updateRepository(e Engine, repo *Repository, visibilityChanged bool) (err e
 				return fmt.Errorf("updateRepository[%d]: %v", forkRepos[i].ID, err)
 			}
 		}
-
-		if err = repo.updateSize(e); err != nil {
-			log.Error("Failed to update size for repository: %v", err)
-		}
 	}
 
 	return nil